升到20H2, 發現PING不到門禁電腦, 好像是被升級關掉了, 記錄如下.
開防火牆選進階設定(Advanced settings) > 輸入規則(Inbound Rule) > 檔案及印表機共用(回應要求 ICMP v4-In)(File and Printer Sharing(Echo Request-ICMPv4-In)), 把它啟用…
etsh advfirewall firewall set rule name="File and Printer Sharing (Echo Request - ICMPv4-In)" new enable=yes
netsh advfirewall firewall add rule name="Allow ICMPv4" dir=in action=allow protocol=icmpv4 enable=yes